MSVCRT.LIB is one of CRT import libraries, it should reside in "C:\Program Files\Microsoft Visual Studio 8\VC\lib" directory, if the linker cannot find this file, then most likely that this file is corrupted or LIBPATH environment variable was set incorrectly, please check the possible cause that listed in the documentation with your environment: http://msdn2.microsoft.com/en-us/library/ts7eyw4s(VS.80).aspx, if problem persist, please feel free to let us know.